EliseQuery.java

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package at.ac.tuwien.dsg.cloud.salsa.messaging.model.Elise;

import at.ac.tuwien.dsg.cloud.salsa.domainmodels.types.ServiceCategory;
import com.fasterxml.jackson.databind.ObjectMapper;
import java.io.IOException;
import java.util.HashSet;
import java.util.Set;


/**
 *
 * @author Duc-Hung Le
 */
public class EliseQuery {
    ServiceCategory category;
    
    Set<EliseQueryRule> rules = new HashSet<>();
    
    Set<String> hasCapabilities = new HashSet<>();
    
     public static void main(String[] args){
        // just a test output
         EliseQuery q = new EliseQuery(ServiceCategory.Sensor);
         q.hasCapability("deploy");
         q.hasCapability("undeploy");
         q.hasRule(new EliseQueryRule("test", "value", EliseQueryRule.OPERATION.EQUAL));
         System.out.println(q.toJson());
    }

    public EliseQuery() {
    }

    public EliseQuery(ServiceCategory category) {
        this.category = category;
    }
            
    public EliseQuery hasRule(EliseQueryRule rule){
        this.rules.add(rule);
        return this;
    }
    
    public EliseQuery hasRule(String metric, String value, EliseQueryRule.OPERATION operation){        
        this.rules.add(new EliseQueryRule(metric, value, operation));
        return this;
    }    
    
    public EliseQuery hasCapability(String capability){
        this.hasCapabilities.add(capability);
        return this;
    }

    public ServiceCategory getCategory() {
        return category;
    }

    public Set<EliseQueryRule> getRules() {
        return rules;
    }

    public Set<String> getHasCapabilities() {
        return hasCapabilities;
    }

    @Override
    public String toString() {
        return toJson();
    }
    
    public String toJson() {
        ObjectMapper mapper = new ObjectMapper();
        try {
            return mapper.writeValueAsString(this);
        } catch (IOException ex) {
            ex.printStackTrace();
            return null;
        }
    }
    
     public static EliseQuery fromJson(String data) {
        ObjectMapper mapper = new ObjectMapper();
        try {
            return mapper.readValue(data, EliseQuery.class);
        } catch (IOException ex) {
            ex.printStackTrace();
            return null;
        }
    }
    
     
  
    
}